Surface modification of graphene quantum dots for control of luminescence and applications for light-emitting devices그래핀 양자점의 표면 개질을 통한 발광 특성 제어 및 발광소자 적용에 관한 연구

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Graphene quantum dots (GQDs), a nanometer-sized graphene derivative composed of mainly carbon atoms, has received widespread interest as the next-generation luminescent materials for future display due to its low-cost synthesis, unique photoluminescent (PL) properties, and eco-friendly characteristics. Over the past years, numerous studies have been conducted on tuning the emission wavelength and improvement of optical properties, but researches to improve the applicability as an active material of electroluminescent (EL) device are insufficient. This dissertation reports the rational surface modification of GQDs and a new concept of tuning singlet-triplet energy splitting observed in that process, and deals with the results of the application of EL devices using GQDs with improved PL properties.
Advisors
Jeon, Seokwooresearcher전석우researcher
Description
한국과학기술원 :신소재공학과,
Publisher
한국과학기술원
Issue Date
2020
Identifier
325007
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 신소재공학과, 2020.8,[x, 168 p. :]

Keywords

Graphene quantum dots▼aPhotoluminescence▼aSurface modification▼aMatrix▼aPhosphorescence▼athermally activated delayed fluorescence▼aelectroluminescent device; 그래핀 양자점▼a광 발광▼a표면 개질▼a매트릭스▼a인광▼a지연 형광▼a전계발광 소자

URI
http://hdl.handle.net/10203/295530
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=986289&flag=dissertation
Appears in Collection
MS-Theses_Ph.D.(박사논문)
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